by Kyle Pomerleau
August 21, 2014
The United States has the third highest general top marginal corporate income tax rate in the world at 39.1 percent, exceeded only by Chad and the United Arab Emirates. The worldwide average top corporate income tax rate is 22.6 percent (30.6 percent weighted by GDP). By region, Europe has the lowest average corporate tax rate at 18.6 percent (26.3 percent weighted by GDP); Africa has the highest average tax rate at 29.1 percent. Larger, more industrialized countries tend to have higher corporate income tax rates than developing countries. The worldwide (simple) average top corporate tax rate has declined over the past decade from 29.5 percent to 22.6 percent. Every region in the world has seen a decline in their average corporate tax rate in the past decade.